# Can density be used to identify a substance?

A substance can be identified by its density. Archimedes discovered how to do this while in the bath around 250 BC. By testing how much volume of a substance, usually water, is displaced by an obje... Read More »

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## Can density be used to identfy a substance?

Density is defined as sample mass divided by volume (D = m/v). Density can differentiate between similar substances if other information is known. Identifying a substance by density alone is very d... Read More »

## As you increase the amount of a substance what should happen to its density?

The density of a substance will not change as the amount of the substance is increased. Density represents the ratio of a substanceâ€™s mass to its volume. The density of iron, for example, is 7.87... Read More »

## What is the difference between low density&high density heating elements?

The density of a heating element in a water heater refers to the wattage of the element in relation to the amount of its surface area. As the elements density lowers, so does the temperature at whi... Read More »

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